/*
 * Copyright 2019 The FATE Authors. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.webank.ai.fate.core.management;

import sun.misc.JavaNioAccess;
import sun.misc.SharedSecrets;
import sun.misc.VM;

public class MemoryManager {
    public long getMaxDirectMemorySize() {
        return VM.maxDirectMemory();
    }

    public long getUsedDirectMemorySize() {
        JavaNioAccess.BufferPool bufferPool = SharedSecrets.getJavaNioAccess().getDirectBufferPool();
        return bufferPool.getMemoryUsed();
    }
}
